Year	Percent of total labor force (Units)
1985	17.700
1986	18.100
1987	18.800
1988	18.400
1989	17.900
1990	17.200
1991	19.000
1992	16.300
1993	16.700
1994	15.100
1995	14.100
1996	11.800
1997	9.858
1998	7.550
1999	5.908
2000	4.383
2001	4.183
2002	4.733
2003	4.850
2004	4.758
2005	4.633
2006	4.767
2007	5.000
2008	6.808
2009	12.650
2010	14.600
2011	15.408
2012	15.492
2013	13.758
2014	11.892
2015	9.925
2016	8.383
2017	6.767
2018	5.808
2019	5.000
2020	5.842
2021	6.242
2022	4.450
2023	4.317
2024	4.385
2025	4.454
2026	4.596
2027	4.737
2028	4.806
2029	4.999